NVIDIA RTX A6000 vs NVIDIA RTX A4 Mobile

VS

NVIDIA RTX A6000

NVIDIA RTX A4 Mobile

We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 4GB VRAM RTX A4 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A6000 's Advantages

Boost Clock has increased by 2% (1800MHz vs 1770MHz)

More VRAM (48GB vs 4GB)

Larger VRAM bandwidth (768.0GB/s vs 224.0GB/s)

8704 additional rendering cores

NVIDIA RTX A4 Mobile 's Advantages

Released 6 months late

Score

Benchmark

FP32 (float)

RTX A6000 +433%

38.71 TFLOPS

RTX A4 Mobile

7.25 TFLOPS

RTX A6000

VS

RTX A4 Mobile

Graphics Card

Oct 2020

Release Date

Apr 2021

Quadro Ampere

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1410 MHz

Base Clock

1297 MHz

1800 MHz

Boost Clock

1770 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

48GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

128bit

768.0GB/s

Bandwidth

224.0GB/s

Render Config

-

84

SM Count

16

10752

Shading Units

2048

336

TMUs

64

112

ROPs

32

336

Tensor Cores

64

84

RT Cores

16

128 KB (per SM)

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

2 MB

-

Theoretical Performance

201.6 GPixel/s

Pixel Rate

56.64 GPixel/s

604.8 GTexel/s

Texture Rate

113.3 GTexel/s

38.71 TFLOPS

FP16 (half)

7.250 TFLOPS

38.71 TFLOPS

FP32 (float)

7.250 TFLOPS

604.8 GFLOPS

FP64 (double)

113.3 GFLOPS

Board Design

300W

TDP

Unknown

700 W

Suggested PSU

-

4x DisplayPort 1.4a

Outputs

Portable Device Dependent

8-pin EPS

Power Connectors

None

Graphics Processor

GA102

GPU Name

GA107

-

Ampere

Architecture

Ampere

Samsung

Foundry

Samsung

8 nm

Process Size

8 nm

28.3 billion

Transistors

8.7 billion

628 mm²

Die Size

200 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

8.6

6.7

Shader Model

6.7

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